20W Power Amplifier circuit based TDA2040

This is complete project for 20W audio amplifier based on single amplifier chip TDA2040. Schematic diagram and PCB layout design were provided here. This amplifier require dual polarity power supply. Heatsink is a must yo keep the IC from overheating.

Schematic diagram:

PCB layout design:

Split power supply:

Here the TDA2040 datasheet, use this database for your project reference.